
Mathematical Discovery: On Understanding, Learning and Teaching Problem Solving Combined Edition
djvu
- Author: George Polya
- Language: English
- Year: 1981

- Author: G. Polya J. Kilpatrick
- Language: English
- Year: 1974

- Author: George Polya
- Language: English
- Year: 1954

- Author: George Polya
- Language: English
- Year: 1973